The high pressure zone at anastomosis helped prevent gastroesophageal reflux.

吻合口高压区有明显的抗反流作用；

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The sealing character of abnormally high pressure zone and origin and migration of oil and gas are closely related.

异常高压带的封闭特性对油气的生成与运移有密切关系。

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There is a geological and physical boundary surface between normal pressure zone and overpressure zone in the area where the AHP occurs.

指出了常压带与超压带之间存在着明显的地质物理界面。

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The strength of the European currency has been under pressure since Greece's financial problems were revealed, with concern the problem could spread to other euro-zone countries.

VOA: standard.2010.03.01

First, Amazon must escape the commodity-pricing pressure zone brought on by the very medium, the Web, that made Amazon possible.

FORBES: The Web'S Fog Of War

They say there is particular concern over the very long-lived northern low pressure zone of circumpolar winds, called a vortex, found at between 13 and 34 km (8 and 21 miles) above the Earth's surface.

BBC: By Environment Correspondent Alex Kirby

It stayed away from a high pressure zone with light winds off Nova Scotia, and built up a big enough lead to withstand the challenge from Silk Cut which was in the right place to benefit from the conditions in the second half of the leg.

BBC: Leg Eight: Toshiba snatches victory